/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.regex.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		Scanner s = new Scanner(" 0 B 2 # L");
     	String first = s.findInLine("[0-9]+ [abB#]");
     	System.out.println(first);
     	String second = s.findInLine("[0-9]+ [abB#] [LR]");
     	System.out.println(second);
     	s.close(); 
 
	}
}

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